groundmass

• Geologischer Begriff für das feinkörnige kristalline Material, das die Grundmasse oder Matrix bildet, in die größere Kristalle in einem magmatischen Gestein eingebettet sind.

A geological term referring to the fine-grained crystalline material that forms the matrix in which larger crystals are embedded in an igneous rock.

unzählbar

1. Geological matrixC2formalscientific

   The fine-grained crystalline material in which larger crystals are embedded in igneous rocks.

   Geologische Matrix

   • The groundmass of the basalt contains tiny crystals of feldspar.
   • Geologists study the groundmass to understand the cooling history of the rock.
   • Phenocrysts are often surrounded by a finer groundmass in porphyritic textures.

   Synonymebasematrix